@Override
public void beforeStart(final Application application) {
final Reflections reflections =
new Reflections(
new ConfigurationBuilder()
.filterInputsBy(new FilterBuilder.Exclude(FilterBuilder.prefix("com.google")))
.addUrls(ClasspathHelper.forClassLoader(application.classloader()))
.addScanners(new SubTypesScanner()));
// automatic Guice module detection
Set<Class<? extends AbstractModule>> guiceModules =
reflections.getSubTypesOf(AbstractModule.class);
for (Class<? extends Module> moduleClass : guiceModules) {
try {
if (!moduleClass.isAnonymousClass()) {
modules.add(moduleClass.newInstance());
}
} catch (InstantiationException e) {
throw Throwables.propagate(e);
} catch (IllegalAccessException e) {
throw Throwables.propagate(e);
}
}
modules.add(
new AbstractModule() {
@Override
protected void configure() {
bind(Application.class).toInstance(application);
bind(Reflections.class).toInstance(reflections);
Names.bindProperties(
this.binder(),
fromKeys(
application.configuration().keys(),
new Function<String, String>() {
@Override
public String apply(String key) {
// remove after https://play.lighthouseapp.com/projects/82401/tickets/372 is
// fixed
if (key.contains("akka")) return null;
return application.configuration().getString(key);
}
}));
for (Class<? extends Controller> controllerClass :
reflections.getSubTypesOf(Controller.class)) {
requestStaticInjection(controllerClass);
}
// bind all services
Multibinder<Service> serviceBinder = Multibinder.newSetBinder(binder(), Service.class);
for (Class<? extends Service> serviceImplClass :
reflections.getSubTypesOf(AbstractService.class)) {
serviceBinder.addBinding().to(serviceImplClass).asEagerSingleton();
}
for (Class<? extends Service> serviceImplClass :
reflections.getSubTypesOf(AbstractIdleService.class)) {
serviceBinder.addBinding().to(serviceImplClass).asEagerSingleton();
}
for (Class<? extends Service> serviceImplClass :
reflections.getSubTypesOf(AbstractExecutionThreadService.class)) {
serviceBinder.addBinding().to(serviceImplClass).asEagerSingleton();
}
// bind actor - todo use reflections for this
// start/stop services after injection and on shutdown of the Play app
bindListener(
MoreMatchers.subclassesOf(Service.class),
new TypeListener() {
@Override
public <I> void hear(TypeLiteral<I> typeLiteral, TypeEncounter<I> typeEncounter) {
typeEncounter.register(
new InjectionListener<I>() {
@Override
public void afterInjection(final I i) {
onStartListeners.add(
new OnStartListener() {
@Override
public void onApplicationStart(
Application application, Injector injector) {
Logger.info(String.format("Starting %s", i.toString()));
((Service) i).start();
onStopListeners.add(
new OnStopListener() {
@Override
public void onApplicationStop(Application application) {
Logger.info(String.format("Stopping %s", i.toString()));
((Service) i).stop();
}
});
}
});
}
});
}
});
}
});
}
